4nhj

X-ray diffraction
2.7Å resolution

Crystal structure of Klebsiella pneumoniae RstA DNA-binding domain in complex with RstA box

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-108043 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
Response regulator (Activator) in two-component regulatory system with RstB (OmpR family) Chains: A, B
Molecule details ›
Chains: A, B
Length: 119 amino acids
Theoretical weight: 13.5 KDa
Source organism: Klebsiella pneumoniae
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: A6T8N1 (Residues: 131-239; Coverage: 46%)
Gene names: KPN_01521, rstA
Sequence domains: Transcriptional regulatory protein, C terminal
Structure domains: Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
5'-D(*GP*GP*TP*TP*GP*TP*AP*CP*AP*TP*TP*CP*CP*GP*TP*TP*AP*CP*TP*CP*CP*CP*T)-3' Chain: C
Molecule details ›
Chain: C
Length: 23 nucleotides
Theoretical weight: 6.97 KDa
Source organism: Klebsiella pneumoniae
Expression system: Not provided
5'-D(*CP*AP*GP*GP*GP*AP*GP*TP*AP*AP*CP*GP*GP*AP*AP*TP*GP*TP*AP*CP*AP*AP*C)-3' Chain: D
Molecule details ›
Chain: D
Length: 23 nucleotides
Theoretical weight: 7.15 KDa
Source organism: Klebsiella pneumoniae
Expression system: Not provided

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSRRC BEAMLINE BL13B1
Spacegroup: P21212
Unit cell:
a: 159.935Å b: 33.313Å c: 72.779Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.222 0.216 0.271
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided